ESP32
今天喜闻乐见的找了一万年我这个ESP32的针脚图，找不到是最真实的，并夕夕的东西果然不敢恭维。
然后我把一些搜集的资料记录了一下。
这是开发板的MicroPython官方驱动下载链接：点我
针脚图解
我的ESP32是ESP32Devkit v1,针脚图就丢下面了防止以后找不到～
对一些针脚的注释
| 引脚 | 输入 | 输出 | 作用 |
|---|---|---|---|
| 3V3 | x | ✓ | 3.3v output |
| GND | ✓ | x | - |
| GPIO0 | pulled up | ✓ | outputs PWM signal at boot |
| GPIO1 | TX pin | ✓ | debug output at boot |
| GPIO2 | ✓ | ✓ | connected to on-board LED |
| GPIO3 | ✓ | RX pin | HIGH at boot |
| GPIO4 | ✓ | ✓ | |
| GPIO5 | ✓ | ✓ | outputs PWM signal at boot |
| GPIO6 | x | x | connected to the integrated SPI flash |
| GPIO7 | x | x | connected to the integrated SPI flash |
| GPIO8 | x | x | connected to the integrated SPI flash |
| GPIO9 | x | x | connected to the integrated SPI flash |
| GPIO10 | x | x | connected to the integrated SPI flash |
| GPIO11 | x | x | connected to the integrated SPI flash |
| GPIO12 | ✓ | ✓ | boot fail if pulled high |
| GPIO13 | ✓ | ✓ | |
| GPIO14 | ✓ | ✓ | outputs PWM signal at boot |
| GPIO15 | ✓ | ✓ | outputs PWM signal at boot |
| GPIO16 | ✓ | ✓ | |
| GPIO17 | ✓ | ✓ | |
| GPIO18 | ✓ | ✓ | |
| GPIO19 | ✓ | ✓ | |
| GPIO21 | ✓ | ✓ | |
| GPIO22 | ✓ | ✓ | |
| GPIO23 | ✓ | ✓ | |
| GPIO24 | ✓ | ✓ | |
| GPIO25 | ✓ | ✓ | |
| GPIO26 | ✓ | ✓ | |
| GPIO27 | ✓ | ✓ | |
| GPIO32 | ✓ | ✓ | |
| GPIO33 | ✓ | ✓ | |
| GPIO34 | ✓ | input only | |
| GPIO35 | ✓ | input only | |
| GPIO36 | ✓ | input only | |
| GPIO39 | ✓ | input only |
按钮的作用
- EN：复位按钮。
- Boot：下载按钮。
按下Boot键并保持，同时按一下EN键（此时不要松开Boot）进入”固件下载“模式，通过串口下载固件。
更详细的可以去看看官方文档。